open access

Vol 64, No 4 (2005)
ORIGINAL ARTICLES
Published online: 2005-09-20
Submitted: 2012-02-06
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The origin and relations of the anterior choroidal artery: an anatomical study

Uz A, Erbil KM, Esmer AF
Folia Morphol 2005;64(4):269-272.

open access

Vol 64, No 4 (2005)
ORIGINAL ARTICLES
Published online: 2005-09-20
Submitted: 2012-02-06

Abstract

There has recently been an increase in surgical interventions to the inferior temporal lobe. The aim of the present study is to examine the anatomical structure and relations of the anterior choroidal artery, which extends to this region. A mixture of latex and ink was injected into the internal carotid and basilar arteries of 15 brains from fresh cadavers.
In 18 out of 30 cases (60%) the anterior choroidal artery arose from the posteroinferior aspect of the internal carotid artery, in 8 (22.2%) from the posterolateral aspect and in 4 (2%) from its anterior part. The diameter of the anterior choroidal artery was 0.94 mm on average (0.7-1.2) and the average distance from the posterior communicating artery was 5.3 mm (3.8-8 mm); its distance to the bifurcation of the carotid was found to be 4.0 mm on average (2.2-8 mm). The cisternal segment of the anterior choroidal artery and the optic tract formed a neurovascular bundle. The branches arising from the plexal segment supply the lateral geniculate body, the thalamus and the optic tract.
The resulting knowledge of the neurovascular relations of the anterior choroidal artery provides a safe surgical approach to the inferior temporal lobe.

Abstract

There has recently been an increase in surgical interventions to the inferior temporal lobe. The aim of the present study is to examine the anatomical structure and relations of the anterior choroidal artery, which extends to this region. A mixture of latex and ink was injected into the internal carotid and basilar arteries of 15 brains from fresh cadavers.
In 18 out of 30 cases (60%) the anterior choroidal artery arose from the posteroinferior aspect of the internal carotid artery, in 8 (22.2%) from the posterolateral aspect and in 4 (2%) from its anterior part. The diameter of the anterior choroidal artery was 0.94 mm on average (0.7-1.2) and the average distance from the posterior communicating artery was 5.3 mm (3.8-8 mm); its distance to the bifurcation of the carotid was found to be 4.0 mm on average (2.2-8 mm). The cisternal segment of the anterior choroidal artery and the optic tract formed a neurovascular bundle. The branches arising from the plexal segment supply the lateral geniculate body, the thalamus and the optic tract.
The resulting knowledge of the neurovascular relations of the anterior choroidal artery provides a safe surgical approach to the inferior temporal lobe.
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Keywords

anterior choroidal artery; anatomy; origin; dissection

About this article
Title

The origin and relations of the anterior choroidal artery: an anatomical study

Journal

Folia Morphologica

Issue

Vol 64, No 4 (2005)

Pages

269-272

Published online

2005-09-20

Bibliographic record

Folia Morphol 2005;64(4):269-272.

Keywords

anterior choroidal artery
anatomy
origin
dissection

Authors

Uz A
Erbil KM
Esmer AF

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